Merge "Add mechanism for a task's windows to be trusted overlays (SF)" into sc-dev am: 5eaa7c3136 am: 374fbaef55 am: 5e8d33760a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15150900

Change-Id: Ib6eccf051e20cf9b815d78d7404229f7a571a2d3